‘Oh Jong Hyuk’’ has been working as a singer, an actor and as a talented artist as well. He got together with the popular girl group ‘RAINBOW’ member Kim Ji Sook, who is loved by the people a lot as a multi-entertainer, to make the digital single album [Fades]. ‘Fades’ is a collaboration album made by ‘Heuktae’, who has worked on the producing of the album of GFRIEND, INFINITE, SHINee and LOVELYZ, together with the songwriter ‘Megatone’ who produced songs such as Park Kyung(Block B) x EUNHA (GIRLFRIEND)’s ‘Inferiority Complex’ as well as K.Will’s ‘Day1’’.